:root {
    --navy: #0c4a6e;
    --navy-2: #075985;
    --blue: #0284c7;
    --blue-light: #38bdf8;
    --teal: #06b6d4;
    --teal-light: #22d3ee;
    --gold: #f59e0b;
    --text: #1e293b;
    --muted: #64748b;
    --border: #e2e8f0;
    --white: #ffffff;
    --radius: 16px;
    --shadow: 0 20px 50px rgba(10, 22, 40, .12);
    --font: 'Plus Jakarta Sans', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; transition: color .2s; }
a:hover { color: var(--teal); }
img { max-width: 100%; height: auto; }
.container { width: min(1200px, 92vw); margin: 0 auto; }
.container-narrow { width: min(760px, 92vw); }

/* Topbar */
.topbar { background: var(--navy); color: rgba(255,255,255,.85); font-size: .85rem; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; padding: .55rem 0; flex-wrap: wrap; gap: .5rem; }
.topbar-links { display: flex; gap: 1rem; align-items: center; }
.topbar a { color: inherit; }
.wa-btn { background: #25d366; color: #fff !important; padding: .25rem .75rem; border-radius: 999px; font-weight: 600; }
.wa-btn:hover { background: #1da851; color: #fff; }

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: .85rem 0; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .75rem; color: var(--text); }
.brand img { border-radius: 12px; object-fit: contain; border: 2px solid var(--border); }
.brand strong { display: block; font-size: 1.05rem; line-height: 1.2; }
.brand small { color: var(--muted); font-size: .75rem; }
.nav-desktop { display: flex; align-items: center; gap: 1.5rem; font-size: .9rem; font-weight: 500; }
.nav-desktop a { color: var(--text); }
.nav-desktop a:hover { color: var(--blue); }
.nav-cta-outline { border: 2px solid var(--blue); padding: .4rem .9rem !important; border-radius: 999px; color: var(--blue) !important; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.75rem; cursor: pointer; color: var(--navy); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .85rem 1.5rem; border-radius: 999px; font-weight: 600; font-size: .95rem;
    border: none; cursor: pointer; transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--blue), #1d4ed8); color: #fff; box-shadow: 0 8px 24px rgba(37,99,235,.35); }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.25); }
.btn-light { background: #fff; color: var(--navy); }
.btn-ghost-light { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.4); }
.w-100 { width: 100%; justify-content: center; }

/* Hero */
.hero {
    position: relative; overflow: hidden;
    background: linear-gradient(145deg, var(--navy) 0%, #0f2847 40%, #0c4a6e 100%);
    color: #fff; padding: 4rem 0 5rem;
    min-height: 88vh; display: flex; align-items: center;
}
.hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(37,99,235,.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(20,184,166,.2) 0%, transparent 40%),
        url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h60v60H0z' fill='none'/%3E%3Cpath d='M60 0L0 60M-10 10L10 -10M50 70L70 50' stroke='%23ffffff' stroke-opacity='.04'/%3E%3C/svg%3E");
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: center; }
.hero-badge {
    display: inline-block; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
    padding: .4rem 1rem; border-radius: 999px; font-size: .8rem; margin-bottom: 1.25rem;
    backdrop-filter: blur(8px);
}
.hero h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800; line-height: 1.15; margin: 0 0 1rem; letter-spacing: -.02em; }
.hero h1 span { background: linear-gradient(90deg, #60a5fa, #2dd4bf); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-lead { font-size: 1.1rem; color: rgba(255,255,255,.8); max-width: 540px; margin-bottom: 1.75rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 2rem; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 1.25rem; font-size: .85rem; color: rgba(255,255,255,.7); }
.hero-trust i { color: var(--teal-light); margin-right: .35rem; }

.hero-visual { position: relative; min-height: 380px; }
.hero-card {
    background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
    backdrop-filter: blur(16px); border-radius: var(--radius); padding: 1.5rem;
    box-shadow: var(--shadow);
}
.hero-card-main { width: 75%; margin-left: auto; }
.hero-card-float {
    position: absolute; bottom: 10%; left: 0; width: 58%;
    animation: float 6s ease-in-out infinite;
}
.hero-card h3 { margin: .75rem 0 .25rem; font-size: 1.1rem; }
.hero-card p { margin: 0; font-size: .85rem; color: rgba(255,255,255,.65); }
.hero-card-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; }
.hero-card-icon.pc { background: linear-gradient(135deg, var(--blue), #1e40af); }
.hero-card-float .hero-card-icon { background: linear-gradient(135deg, var(--teal), #0f766e); }
.hero-stat-pill {
    position: absolute; top: 5%; right: 5%; background: var(--gold); color: var(--navy);
    padding: .5rem 1rem; border-radius: 999px; font-weight: 700; font-size: .85rem;
    box-shadow: 0 8px 20px rgba(245,158,11,.4);
}
.hero-stat-pill span { font-size: 1.1rem; }

@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* Stats */
.stats-bar { background: var(--white); margin-top: -2.5rem; position: relative; z-index: 2; padding: 0 0 2rem; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.75rem 2rem; border: 1px solid var(--border); }
.stat-item { text-align: center; }
.stat-value { display: block; font-size: 2rem; font-weight: 800; color: var(--blue); line-height: 1; }
.stat-item span { font-size: .85rem; color: var(--muted); }

/* Sections */
.section { padding: 5rem 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.section-tag { display: inline-block; color: var(--blue); font-weight: 700; font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: .5rem; }
.section-tag-light { color: var(--teal-light); }
.section-head h2 { font-size: clamp(1.75rem, 3vw, 2.35rem); font-weight: 800; margin: 0 0 .75rem; letter-spacing: -.02em; }
.section-head p { color: var(--muted); margin: 0; }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.service-card {
    background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 1.75rem; transition: transform .3s, box-shadow .3s, border-color .3s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.service-icon {
    width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; margin-bottom: 1rem;
    background: linear-gradient(135deg, #eff6ff, #dbeafe); color: var(--blue);
}
.service-card.cat-kamera .service-icon { background: linear-gradient(135deg, #f0fdfa, #ccfbf1); color: var(--teal); }
.service-card h3 { font-size: 1.1rem; margin: 0 0 .5rem; }
.service-card p { margin: 0; font-size: .9rem; color: var(--muted); line-height: 1.55; }

/* Camera section */
.section-camera {
    background: linear-gradient(135deg, var(--navy) 0%, #134e4a 100%);
    color: #fff;
}
.camera-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.camera-content h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 800; margin: 0 0 1rem; }
.camera-content > p { color: rgba(255,255,255,.75); margin-bottom: 1.5rem; }
.camera-features { list-style: none; padding: 0; margin: 0 0 2rem; }
.camera-features li { padding: .45rem 0; display: flex; gap: .6rem; align-items: flex-start; }
.camera-features i { color: var(--teal-light); margin-top: .15rem; }

.cam-preview { background: rgba(0,0,0,.3); border-radius: var(--radius); padding: 1.25rem; border: 1px solid rgba(255,255,255,.1); }
.cam-feed {
    aspect-ratio: 16/10; background: #0f172a; border-radius: 12px; position: relative;
    display: flex; align-items: center; justify-content: center; overflow: hidden;
    font-size: 4rem; color: rgba(255,255,255,.15);
}
.rec-dot { position: absolute; top: 12px; left: 12px; font-size: .7rem; font-weight: 700; color: #ef4444; display: flex; align-items: center; gap: .4rem; }
.rec-dot::before { content: ''; width: 8px; height: 8px; background: #ef4444; border-radius: 50%; animation: pulse 1.5s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }
.cam-grid-lines {
    position: absolute; inset: 0;
    background: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 40px 40px;
}
.cam-specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; margin-top: 1rem; }
.cam-specs div { text-align: center; background: rgba(255,255,255,.06); padding: .75rem; border-radius: 10px; }
.cam-specs strong { display: block; font-size: 1.25rem; }
.cam-specs span { font-size: .75rem; color: rgba(255,255,255,.6); }

/* Features */
.section-about { background: #f8fafc; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.feature-card { background: var(--white); border-radius: var(--radius); padding: 1.5rem; border: 1px solid var(--border); text-align: center; }
.feature-icon { font-size: 2rem; color: var(--blue); margin-bottom: .75rem; }
.feature-card h3 { font-size: 1rem; margin: 0 0 .35rem; }
.feature-card p { margin: 0; font-size: .85rem; color: var(--muted); }

/* News */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.news-card {
    background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 1.5rem; display: flex; flex-direction: column; transition: box-shadow .3s;
}
.news-card:hover { box-shadow: var(--shadow); }
.news-meta time { font-size: .8rem; color: var(--teal); font-weight: 600; }
.news-card h3 { font-size: 1.05rem; margin: .5rem 0; line-height: 1.35; }
.news-card h3 a { color: var(--text); }
.news-card h3 a:hover { color: var(--blue); }
.news-card p { flex: 1; font-size: .9rem; color: var(--muted); margin: 0 0 1rem; }
.news-link { font-weight: 600; font-size: .9rem; }

/* Contact */
.section-contact { background: linear-gradient(180deg, #fff 0%, #f1f5f9 100%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.contact-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.contact-list li { padding: .5rem 0; display: flex; gap: .75rem; align-items: flex-start; }
.contact-list i { color: var(--blue); margin-top: .2rem; }
.contact-list a { color: var(--text); }
.contact-form-wrap { background: var(--white); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); border: 1px solid var(--border); }
.contact-form input, .contact-form textarea {
    width: 100%; padding: .85rem 1rem; border: 1px solid var(--border); border-radius: 10px;
    font-family: inherit; font-size: .95rem; margin-bottom: .75rem; transition: border-color .2s;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.form-row input { margin-bottom: 0; }
.form-msg { margin-top: .75rem; font-size: .9rem; }
.form-msg.ok { color: var(--teal); }
.form-msg.err { color: #dc2626; }

/* Post page */
.page-post { padding-top: 3rem; }
.back-link { display: inline-flex; align-items: center; gap: .35rem; margin-bottom: 1.5rem; font-weight: 600; }
.post-article time { color: var(--teal); font-weight: 600; font-size: .9rem; }
.post-article h1 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin: .5rem 0 1rem; }
.post-excerpt { font-size: 1.15rem; color: var(--muted); border-left: 4px solid var(--blue); padding-left: 1rem; margin-bottom: 2rem; }
.post-body { font-size: 1.05rem; line-height: 1.75; color: #334155; }

/* Footer */
.site-footer { background: var(--navy); color: rgba(255,255,255,.75); padding: 3.5rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2rem; padding-bottom: 2rem; }
.footer-brand { display: flex; align-items: center; gap: .75rem; margin-bottom: .75rem; }
.footer-brand img { border-radius: 8px; }
.footer-brand strong { color: #fff; }
.site-footer h4 { color: #fff; font-size: .95rem; margin: 0 0 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { padding: .25rem 0; }
.site-footer a { color: rgba(255,255,255,.7); }
.site-footer a:hover { color: #fff; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1); padding: 1.25rem 0;
    display: flex; justify-content: space-between; font-size: .85rem;
}

/* Slider */
.hero-slider { position: relative; height: min(88vh, 720px); overflow: hidden; background: var(--navy); }
.slider-track { position: relative; height: 100%; }
.slide {
    position: absolute; inset: 0; opacity: 0; transition: opacity .8s ease;
    background: var(--navy) center/cover no-repeat;
    background-image: var(--slide-bg);
}
.slide.active { opacity: 1; z-index: 1; }
.slide-overlay { position: absolute; inset: 0; background: linear-gradient(105deg, rgba(12,74,110,.88) 0%, rgba(12,74,110,.55) 50%, rgba(6,182,212,.25) 100%); }
.slide-content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; color: #fff; max-width: 680px; padding: 2rem 0; }
.slide-content h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); font-weight: 800; line-height: 1.12; margin: 0 0 1rem; }
.slide-content h1 span { background: linear-gradient(90deg, #7dd3fc, #67e8f9); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.slider-dots { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); display: flex; gap: .5rem; z-index: 5; }
.slider-dots .dot { width: 10px; height: 10px; border-radius: 50%; border: none; background: rgba(255,255,255,.35); cursor: pointer; padding: 0; }
.slider-dots .dot.active { background: #fff; width: 28px; border-radius: 999px; }
.slider-nav { position: absolute; top: 50%; transform: translateY(-50%); z-index: 5; background: rgba(255,255,255,.15); border: none; color: #fff; width: 44px; height: 44px; border-radius: 50%; cursor: pointer; backdrop-filter: blur(6px); }
.slider-nav.prev { left: 1rem; }
.slider-nav.next { right: 1rem; }
.slider-nav:hover { background: rgba(255,255,255,.28); }

/* Products */
.section-products { background: linear-gradient(180deg, #f0f9ff 0%, #fff 100%); }
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; }
.product-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); transition: transform .25s; }
.product-card:hover { transform: translateY(-4px); }
.product-image { height: 180px; background: center/cover no-repeat; background-color: #e0f2fe; }
.product-body { padding: 1.25rem; }
.product-cat { font-size: .75rem; font-weight: 600; color: var(--teal); text-transform: uppercase; letter-spacing: .04em; }
.product-body h3 { margin: .35rem 0 .5rem; font-size: 1.05rem; }
.product-body p { color: var(--muted); font-size: .9rem; margin: 0 0 .75rem; }
.product-price { font-weight: 700; color: var(--blue); font-size: .95rem; }

/* About grid */
.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3rem; align-items: center; }
.about-image { height: 420px; border-radius: var(--radius); background: center/cover no-repeat; box-shadow: var(--shadow); }
.about-badge { display: inline-flex; align-items: center; gap: .5rem; background: #ecfeff; color: var(--navy); padding: .6rem 1rem; border-radius: 999px; font-weight: 600; font-size: .85rem; margin-top: 1rem; }
.features-inline { display: grid; gap: 1rem; margin-top: 1.5rem; }
.feature-mini { display: flex; gap: .75rem; align-items: flex-start; }
.feature-mini i { font-size: 1.25rem; color: var(--blue); margin-top: .15rem; }
.feature-mini strong { display: block; font-size: .95rem; }
.feature-mini span { font-size: .85rem; color: var(--muted); }

/* Footer NetSahibi */
.footer-netsahibi { text-align: center; padding: .75rem 0 1.25rem; border-top: 1px solid rgba(255,255,255,.08); margin-top: .5rem; }
.footer-netsahibi a { color: rgba(255,255,255,.45); font-size: .78rem; }
.footer-netsahibi a:hover { color: rgba(255,255,255,.75); }

.news-thumb { height: 140px; background: center/cover no-repeat; border-radius: var(--radius) var(--radius) 0 0; margin: -1.25rem -1.25rem 1rem; background-color: #e0f2fe; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }
.delay-3 { transition-delay: .3s; }
.delay-4 { transition-delay: .4s; }

/* Responsive */
@media (max-width: 992px) {
    .hero-grid, .camera-grid, .contact-grid { grid-template-columns: 1fr; }
    .hero-visual { min-height: 300px; margin-top: 1rem; }
    .services-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .nav-desktop { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; padding: 1rem; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
    .nav-desktop.open { display: flex; }
    .nav-toggle { display: block; }
    .services-grid, .news-grid, .features-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero { min-height: auto; padding: 3rem 0; }
}